let lastEvent;
['click', 'touchstart', 'mousedown', 'keydown', 'mouseover'].forEach(eventType => {
  document.addEventListener(eventType, event => {
    lastEvent = event
  },{
    capture: true, // 捕获阶段执行
    passive: true, // 默认不阻止默认事件
  })
})

export default function() {
  return lastEvent
}